# Sleep Calculator Plus vs DozeOff Pro

The clearest difference is price: Sleep Calculator Plus at Free against DozeOff Pro's $2.99. Sleep Calculator Plus also leads on update cadence (daily vs fortnightly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Sleep Calculator Plus is free to download; DozeOff Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sleep Calculator Plus ships an update daily, DozeOff Pro fortnightly. The most recent releases landed on September 17, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Sleep Calculator Plus | DozeOff Pro |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.8 (31 ratings)](https://appshunter.io/ios/app/sleep-calculator-plus/id6741904327/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Monetization | Free | — |
| Size | 1 MB | 0 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Hausen](https://appshunter.io/developer/1794777127) | [Brian Milovich](https://appshunter.io/developer/1808183987) |

## What reviewers say

### Sleep Calculator Plus

[App page](https://appshunter.io/ios/app/sleep-calculator-plus/id6741904327)

This utility helps you determine the ideal times to sleep or wake up by calculating based on natural 90-minute sleep cycles. It aims to help users feel more refreshed and energized by waking them between these cycles.

**Highlights:** Calculate optimal bedtime, Find best wake-up times, Supports 12/24 hour formats, Intuitive interface, Dark design for nighttime, No ads or in-app purchases

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DozeOff Pro

[App page](https://appshunter.io/ios/app/dozeoff-pro/id6744560704)

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Calculator Plus free?

Sleep Calculator Plus is free to download, with no in-app purchases.

### Is DozeOff Pro free?

DozeOff Pro costs $2.99, with no in-app purchases.

### Do Sleep Calculator Plus or DozeOff Pro have ads?

Neither Sleep Calculator Plus nor DozeOff Pro shows ads.

### Which is updated more often, Sleep Calculator Plus or DozeOff Pro?

Sleep Calculator Plus ships an update daily, and DozeOff Pro fortnightly. Most recently, Sleep Calculator Plus was updated on September 17, 2026 and DozeOff Pro on June 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*